CN116512535A - Mold for preparing outer bottle of double-layer cosmetic bottle and outer bottle preparation process - Google Patents
Mold for preparing outer bottle of double-layer cosmetic bottle and outer bottle preparation process Download PDFInfo
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- CN116512535A CN116512535A CN202310806647.2A CN202310806647A CN116512535A CN 116512535 A CN116512535 A CN 116512535A CN 202310806647 A CN202310806647 A CN 202310806647A CN 116512535 A CN116512535 A CN 116512535A
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- rod
- injection molding
- plugging
- die body
- molding channel
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- 239000002537 cosmetic Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 140
- 239000000243 solution Substances 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 55
- 238000002347 injection Methods 0.000 claims description 34
- 239000007924 injection Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000004321 preservation Methods 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 21
- 238000012423 maintenance Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000012958 reprocessing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2608—Mould seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The application relates to a mould and outer bottle preparation technology for outer bottle preparation of double-deck cosmetic bottle relates to the technical field of mould, including main die body, vice die body, passageway, plugging device, holding tank, gate, plugging device includes: the plugging rod is arranged on the accommodating groove in a sliding manner and is used for plugging the pouring opening; the positioning seat is arranged on the plugging rod and is slidably arranged on the accommodating groove; the driving mechanism is arranged on the main die body and used for driving the plugging rod to move on the accommodating groove and the injection molding channel. According to the injection molding device, the solution in the injection molding channel is pushed into the nozzle, so that the plugging rod is moved to the pouring port for plugging, the probability that the condensed materials in the injection molding channel are connected with the workpiece and need to be processed again is reduced, and the production efficiency and quality of the workpiece are improved; and the probability of material waste caused by the formation of the coagulated material by the solution is reduced, and the production cost of the tool is reduced.
Description
Technical Field
The application relates to the technical field of dies, in particular to a die for preparing an outer bottle of a double-layer cosmetic bottle and a process for preparing the outer bottle.
Background
Cosmetic bottles are generally produced using injection molds.
The existing mould is provided with a plasticizing injection cavity and an injection channel for introducing solution, the injection machine injects the melted solution into the injection channel through a nozzle, and then the solution enters the injection cavity for cooling and plasticizing to form a workpiece.
The solution in the injection molding channel can be cooled to form congeals in the production process, and the congeals are connected with the workpiece, so that subsequent repeated use of manpower is needed or shearing is performed through a shearing structure, the shearing time is long, the shearing evenness is difficult to ensure during shearing, the production efficiency and quality of the workpiece are reduced, the congeals also cause waste of materials, and the production cost of the workpiece is increased.
Disclosure of Invention
In order to improve the efficiency and quality of workpiece production and reduce the production cost of the workpiece, the application provides a mold for preparing an outer bottle of a double-layer cosmetic bottle and an outer bottle preparation process.
In a first aspect, the application provides a mold for preparing an outer bottle of a double-layer cosmetic bottle, which adopts the following technical scheme:
the utility model provides a mould is used in outer bottle preparation of double-deck cosmetic bottle, includes the main die body and slides with the main die body and be connected and cooperate the auxiliary die body that forms the cavity of moulding plastics, be provided with on the main die body with the cavity intercommunication of moulding plastics and be used for letting in the passageway of moulding plastics with the solution, be provided with the plugging device who carries out shutoff to the passageway of moulding plastics on the main die body, the holding tank has been seted up along the passageway length direction of moulding plastics on the passageway lateral wall of moulding plastics, just the passageway of moulding plastics is the pouring gate with the cavity junction of moulding plastics, plugging device includes:
the plugging rod is arranged on the accommodating groove in a sliding manner along the direction approaching or far away from the injection molding channel, the initial state of the plugging rod is positioned in the accommodating groove, the plugging rod is completely moved into the injection molding channel to realize plugging of the injection molding channel, and the plugging rod is continuously close to the pouring gate along the length direction of the injection molding channel under the limit of the injection molding channel, so that the plugging rod extends to the pouring gate and is used for plugging the pouring gate;
the positioning seat is arranged on the side wall of one side of the plugging rod, which is far away from the injection molding channel, and is always installed on the accommodating groove in a sliding manner, one end of the positioning seat, which is far away from the pouring gate, of the plugging rod is flush, the other end of the positioning seat is located on one side of the plugging rod, which is far away from the pouring gate, and when the plugging rod extends to the pouring gate, one end, close to the pouring gate, of the positioning seat is abutted against the accommodating groove for positioning;
the driving mechanism is arranged on the main die body and used for driving the plugging rod to move on the accommodating groove and the injection molding channel.
By adopting the technical scheme, after the solution enters the injection cavity through the injection channel, the driving mechanism starts to drive the positioning seat and the plugging rod to slide on the accommodating groove and to be close to the injection channel after the solution is added, so that the plugging rod pushes the solution in the injection cavity to flow back into the nozzle until the plugging rod moves into the injection channel completely to plug the injection channel, the plugging rod cannot move in the original direction due to the limitation of the injection channel, the driving mechanism continues to start, so that the plugging rod can only move in the length direction of the injection channel, the positioning seat continues to move on the accommodating groove, the positioning seat and the plugging rod are close to the injection cavity together until one end of the plugging rod moves to a pouring port for plugging, at the moment, the positioning seat is abutted against one end of the accommodating groove close to the injection cavity and cannot continue to move, then the auxiliary die body moves to drive the plasticized workpiece to be far away from the main die body, then the die is demolded and cleaned, and finally the die is closed;
then the driving mechanism starts to drive the plugging rod and the positioning seat to move back along the length direction of the injection molding channel until the positioning seat is abutted against one end of the accommodating groove far away from the pouring opening and cannot move continuously, and the driving mechanism starts continuously, so that the plugging rod and the positioning seat are kept away from the injection molding channel until the plugging rod moves out of the injection molding channel completely and moves into the accommodating groove to be accommodated, meanwhile, the solution is continuously added through the injection molding channel, and then the circulating operation is continued.
Therefore, the solution in the injection molding channel is pushed into the nozzle, so that the plugging rod is moved to the pouring port for plugging, the probability that the condensed materials in the injection molding channel are connected with the workpiece and need to be processed again is reduced, and the production efficiency and quality of the workpiece are improved; the probability of material waste caused by the formation of the solution into the coagulated material is reduced, and the production cost of the tool is reduced;
meanwhile, the solution in the injection molding channel is pushed back to the nozzle for heating and heat preservation, so that the probability that the temperature of the solution for subsequent injection molding is reduced due to the cooling of the solidified material is reduced, the probability that the solution stays in the injection molding channel for cooling and then adheres to the injection molding channel is also reduced, the quality of a workpiece is further improved, and the waste of materials is reduced; and the blocking rod blocks the solution, so that the probability that the solution flows into the injection molding channel because the solution is not blocked after the workpiece is demolded is reduced, the stability of the workpiece in the injection molding process is improved, and the quality of the workpiece is improved.
Optionally, the driving mechanism includes:
the sliding rod is arranged on the main die body in a sliding manner along the length direction of the injection molding channel, is connected with the plugging rod through the connecting component and is used for driving the plugging rod to move on the accommodating groove and the injection molding channel;
the driving assembly is arranged on the main die body and used for driving the sliding rod to move.
Through adopting above-mentioned technical scheme, drive assembly starts to drive the sliding rod and removes, and the sliding rod removes and passes through coupling assembling and drive locating seat and shutoff pole and remove on holding tank and injection molding passageway, consequently the removal of same direction can drive the removal of shutoff pole and locating seat realization two directions for simple structure, stability is high.
Optionally, the connection assembly includes:
the connecting rod is arranged on the sliding rod and provided with an inclined and strip-shaped connecting hole;
the connecting roller is rotationally arranged on the plugging rod and rolls on the connecting hole, and the connecting rod moves to drive the plugging rod to move on the accommodating groove and the injection molding channel through the connecting roller.
Through adopting above-mentioned technical scheme, the slide bar removes and drives the connecting rod and remove, and the connecting rod removes and promotes the shutoff pole and remove, and the connecting roller rolls on the connecting hole, and the shutoff pole removes then along the passageway of moulding plastics on the holding tank earlier to realize that the slide bar removes and drive the shutoff pole and remove, the frictional force that produces when the connecting roller has reduced the motion simultaneously, reduced the loss of energy.
Optionally, the connection assembly includes:
the first rotating rod and the second rotating rod are respectively arranged on the plugging rod and the sliding rod;
the square connecting rod is characterized in that two ends of the square connecting rod are respectively arranged on the first rotating rod and the second rotating rod in a rotating mode.
Through adopting above-mentioned technical scheme, the slider removes and promotes and connect the square pole and rotate, connects the square pole and rotates and promote or pull the shutoff pole and remove to realize that the shutoff pole removes on holding tank and injection molding passageway, simple structure moreover, stability is high.
Optionally, the driving assembly includes:
the driving rod is arranged on the sliding rod;
the driving cylinder is arranged on the main die body and connected with the driving rod.
By adopting the technical scheme, the driving cylinder is started to drive the driving rod to move, and the driving rod moves to drive the sliding rod to move, so that the driving cylinder is started to drive the sliding rod to move.
Optionally, an auxiliary mechanism is disposed on the main mold body, and the auxiliary mechanism includes:
the auxiliary plate is arranged on the main die body in a sliding way and is positioned at one end of the plugging rod close to the pouring opening, the sliding direction of the auxiliary plate is parallel to the sliding direction of the plugging rod on the accommodating groove, and the plugging rod and the auxiliary plate are respectively positioned at two sides of the injection molding channel in the initial state;
the auxiliary rod is arranged on the auxiliary plate and extends out of the main die body;
the auxiliary spring is arranged on the main die body, is connected with the auxiliary rod and keeps the auxiliary plate close to the trend of the plugging rod, and after the solution in the injection cavity is added, the auxiliary plate is pressed against the plugging rod under the action of the auxiliary spring and is used for separating the solution in the injection channel;
the maintaining component is arranged on the main die body, is connected with the driving component and is used for maintaining the initial state of the auxiliary plate, the driving component is started to drive the plugging rod to move after the maintaining component is unlocked, and when the plugging rod is completely moved into the injection molding channel, the maintaining component is started to lock the auxiliary plate.
By adopting the technical scheme, after more solution in the injection molding channel is extruded into the injection molding cavity, the material in the workpiece is easily unevenly distributed, so that the risk of workpiece quality reduction is caused, and the required materials are increased;
after the solution is added, the maintenance component starts to unlock the auxiliary plate, the auxiliary plate is propped against the plugging rod under the action of the auxiliary spring, so that the solutions at two sides of the plugging plate are separated, then the driving component starts to drive the plugging rod and the auxiliary plate to move together, when the plugging rod is completely moved into the injection molding channel, the auxiliary plate is completely moved into the main mold, meanwhile, the maintenance component starts to lock the auxiliary plate, and the solution at one side of the auxiliary plate far away from the pouring opening is extruded to flow back into the nozzle in the moving process of the plugging rod;
the plugging rod continuously moves in the injection molding channel to extrude the solution in the injection molding channel and positioned on one side of the auxiliary plate close to the pouring opening into the injection molding cavity, then the sliding rod drives the plugging rod to move back, so that the positioning seat is abutted to the accommodating groove for positioning, and then the plugging rod continuously moves into the accommodating groove for accommodating, thereby reducing the probability that the plugging rod moves to extrude the solution into the injection molding cavity, simultaneously reducing the consumption of materials while maintaining the quality of workpieces, improving the quality of workpieces, and simultaneously reducing the production cost.
And meanwhile, after the auxiliary plate moves back to the original position, the auxiliary plate is positioned by the maintenance assembly, so that the probability of friction between the plugging rod and the auxiliary plate when the plugging rod moves in the injection molding channel is reduced, the probability of the plugging effect caused by abrasion of the plugging rod is reduced, and the production efficiency and quality of workpieces are improved.
Optionally, the maintenance assembly includes:
the maintaining block is arranged on the main die body in a sliding manner and is used for pressing the auxiliary rod to maintain the initial state of the auxiliary plate;
the maintaining cylinder is arranged on the main die body, and the piston rod is connected with the maintaining block and is electrically connected with the driving assembly.
By adopting the technical scheme, the maintenance cylinder is started to drive the maintenance block to be far away from the auxiliary rod, the auxiliary plate is close to and is propped against the plugging rod under the action of the auxiliary spring, and when the plugging rod moves back to drive the auxiliary plate and the auxiliary rod to move back to the original position, the maintenance cylinder is started to drive the maintenance block to move back to prop against the auxiliary rod to be positioned, so that the unlocking and locking of the auxiliary plate are realized.
Optionally, a blocking component for blocking solution from entering is disposed on one end of the holding groove away from the pouring gate, and the blocking component comprises:
the blocking block is arranged on the side wall of one side, far away from the pouring opening, of the accommodating groove in a sliding manner along the length direction of the injection molding channel;
the connecting block is arranged on the side wall of the locating seat far away from one side of the pouring opening and is arranged on the blocking block in a sliding mode, and the locating seat drives the blocking block to move together and is used for blocking solution from entering the accommodating groove when sliding along the length direction of the injection molding channel.
Through adopting above-mentioned technical scheme, the shutoff pole drives the positioning seat and is close to the passageway of moulding plastics and remove, the positioning seat drives even piece and slides on blocking piece and keep away the position, make blocking piece not remove, and block the pole and move to the passageway of moulding plastics after completely, block lever and positioning seat continue to follow the passageway length direction that moulds plastics, consequently just form the clearance between positioning seat and the holding tank lateral wall, and the positioning seat removes and drive blocking piece through even piece pulling and remove, blocking piece is used for blockking the clearance that forms, the solution gets into the holding tank and causes the probability of damage to plugging device, stability when having improved plugging device operation has also reduced the waste of solution simultaneously, the efficiency of work piece has been improved, the manufacturing cost of work piece has also been reduced simultaneously.
Optionally, a heat-preserving component for preserving heat of the solution is arranged on the main die body, and the heat-preserving component comprises:
the heat preservation sleeve is detachably arranged on the main die body and is positioned at one end of the injection molding channel far away from the pouring gate and the plugging rod, and the heat preservation sleeve is used for allowing a solution flow sprayed out of the nozzle to enter the injection molding channel after passing through and is used for heat insulation;
the heating ring is arranged in the heat preservation sleeve and is used for heating the solution in the heat preservation sleeve;
the temperature detector is arranged in the insulation sleeve and used for detecting the temperature of the solution and is electrically connected with the heating ring.
By adopting the technical scheme, the plugging rod pushes the solution to flow back to the nozzle, so that part of the solution also stays in the heat preservation sleeve, the heat preservation sleeve is communicated with the solution in the nozzle, the temperature detector detects the temperature of the solution in the heat preservation sleeve, when the temperature is reduced, the heating ring heats and preserves the temperature of the solution, and simultaneously, heat is also conducted to the solution in the nozzle, and when the temperature reaches, the heating ring stops heating, so that the solution keeps proper temperature, and the quality of a workpiece is improved; meanwhile, the workpiece in the injection cavity needs to be cooled and plasticized, and the heat insulation sleeve has a heat insulation effect, so that adverse effects on the workpiece cooling caused by heating are reduced, and the production efficiency and quality of the workpiece are improved.
In a second aspect, the present application provides a process for preparing an outer bottle, which adopts the following technical scheme:
an external bottle preparation process comprises the following steps:
A. heating and melting, spraying the material into an injection molding channel through a nozzle after heating and melting the material, and flowing the solution into an injection molding cavity through the injection molding channel;
B. injection molding, wherein the plugging device starts to plug the pouring opening, and then cooling and molding are carried out;
C. and demolding and die assembly, wherein the workpiece is taken out after demolding, then die assembly is carried out, finally the plugging device is started to open the pouring gate, and then the injection is carried out continuously by repeating B, C.
Through adopting above-mentioned technical scheme, firstly with material heating melting become solution, then the solution spouts into the passageway of moulding plastics through the nozzle, then plugging device starts shutoff gate, simultaneously with partial solution back push to the nozzle in and carry out heating heat preservation to the solution, then the drawing of patterns takes out the work piece, then the compound die, last plugging device starts to open the gate to this carries out cyclically, thereby improved the production efficiency and the quality of work piece.
In summary, the present application includes at least one of the following beneficial technical effects:
the solution in the injection molding channel is pushed into the nozzle, so that the plugging rod is moved to the pouring port for plugging, the probability that the condensed materials in the injection molding channel are connected with the workpiece and need to be processed again is reduced, and the production efficiency and quality of the workpiece are improved; and the probability of material waste caused by the formation of the coagulated material by the solution is reduced, and the production cost of the tool is reduced.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present application;
FIG. 2 is a schematic view of a main mold body and a structure on the main mold body according to an embodiment of the present application, wherein the main mold body is cut away;
FIG. 3 is a schematic view of the structure of the plugging device and the blocking assembly according to the first embodiment of the present application;
FIG. 4 is a schematic structural view of an auxiliary mechanism according to the first embodiment of the present application;
FIG. 5 is a schematic structural view of a thermal insulation assembly according to an embodiment of the present application, wherein the thermal insulation sleeve is partially cut away;
fig. 6 is a schematic partial structure of the second embodiment of the present application, mainly showing the connection assembly.
Reference numerals: 1. a main mold body; 11. an auxiliary die body; 12. an injection molding chamber; 13. an injection molding channel; 14. a nozzle; 15. a sprue gate; 16. a receiving groove; 18. a mounting groove; 19. a maintenance platform; 2. a plugging device; 21. a plugging rod; 22. a positioning seat; 221. a positioning rod; 23. a driving mechanism; 24. a sliding rod; 25. a drive assembly; 26. a driving rod; 27. a driving cylinder; 3. a connection assembly; 31. a connecting rod; 32. a connecting roller; 33. a connection hole; 41. a first rotating lever; 42. a second rotating rod; 43. connecting square rods; 5. an auxiliary mechanism; 51. an auxiliary plate; 52. an auxiliary lever; 521. a connecting plate; 53. an auxiliary spring; 54. a maintenance assembly; 55. maintaining the block; 56. a maintenance cylinder; 57. a guide surface; 58. an auxiliary groove; 6. a blocking assembly; 61. a blocking piece; 62. connecting blocks; 63. a connecting groove; 7. a thermal insulation assembly; 71. a thermal insulation sleeve; 72. a heating ring; 73. a temperature detector; 74. an abutment ring; 75. a heat preservation groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses an outer bottle preparation of a double-layer cosmetic bottle.
Example 1
Referring to fig. 1 and 2, the outer bottle preparation mold of the double-layered cosmetic bottle comprises a main mold body 1 and a sub mold body 11 slidingly connected with the main mold body 1, wherein the main mold body 1 is in a fixed state and is generally fixedly installed on a frame, the sub mold body 11 is slidingly installed on the frame so as to keep the sliding connection with the main mold body 1, injection molding cavities 12 are formed in the main mold body 1 and the sub mold body 11, and when the main mold body 1 and the sub mold body 11 are assembled, two injection molding cavities 12 are matched to form a space for injection molding a workpiece, and a solution enters the injection molding cavities 12 to be injection molded to form the workpiece; an injection molding channel 13 communicated with the injection molding cavity 12 is formed in the side wall of one side, away from the auxiliary die body 11, of the main die body 1, the injection molding channel 13 is used for being communicated with a nozzle 14, after being melted, a solution enters the injection molding channel 13 through the nozzle 14, and then the solution enters the injection molding cavity 12 for injection molding; the communication part of the injection molding channel 13 and the injection molding cavity 12 is a pouring port 15, and the main mold body 1 is provided with a plugging device 2 for plugging the injection molding channel 13.
Referring to fig. 2 and 3, the plugging device 2 includes a plugging rod 21, a positioning seat 22, and a driving mechanism 23, the injection molding channel 13 is in a horizontal state and circular in section, the side wall of the injection molding channel 13 is provided with a containing groove 16 above the axis of the injection molding channel 13, the containing groove 16 is provided along the length direction of the injection molding channel 13, and simultaneously, two side walls of the containing groove 16 are tangential to the injection molding channel 13.
Referring to fig. 1 and 2, the plugging rod 21 is vertically slidably mounted on the accommodating groove 16, and the initial state of the plugging rod 21 is located in the accommodating groove 16, and meanwhile, the sliding direction of the plugging rod 21 is perpendicular to the axial direction of the injection molding channel 13, so that the plugging rod 21 moves along the direction approaching or separating from the injection molding channel 13; the plugging rod 21 moves on the accommodating groove 16 and approaches the injection molding channel 13, and when the plugging rod 21 moves, the solution in the injection molding channel 13 is pushed to flow back into the nozzle 14; when the blocking rod 21 moves into the injection molding channel 13 completely, the injection molding channel 13 can be blocked, the injection molding channel 13 limits the blocking rod 21 not to move continuously in the original direction, then the blocking rod 21 is close to the pouring gate 15 along the length direction of the injection molding channel 13 under the limit of the injection molding channel 13 until one end of the blocking rod 21 moves to the pouring gate 15 to block the pouring gate 15, at this time, one end of the blocking rod 21 is flush with the pouring gate 15, and the probability that the solution in the injection molding channel 13 forms a gel material and needs subsequent reprocessing is reduced.
Referring to fig. 2, the positioning seat 22 is fixedly installed on the side wall of the plugging rod 21 at one side away from the injection molding channel 13, and the positioning seat 22 is always slidably installed on the accommodating groove 16, and the length directions of the positioning seat 22 and the plugging rod 21 are parallel; the positioning seat 22 and one end of the plugging rod 21, which is far away from the pouring gate 15, are flush and are in conflict with the side wall of the containing groove 16, while one end of the plugging rod 21, which is close to the pouring gate 15, is positioned on one side of the positioning seat 22, which is close to the pouring gate 15, and the plugging rod 21 is in conflict with the side wall of the containing groove 16; the distance between the two ends of the plugging rod 21 and the positioning seat 22, which are close to the pouring gate 15, is H1, the distance between the end of the accommodating groove 16, which is close to the pouring gate 15, and the pouring gate 15 is H2, and h1=h2, and H1 and H2 are the smallest as possible according to actual needs under the condition of meeting the injection molding strength of the main die body 1, so that the moving distance of the plugging rod 21 is shortened, and meanwhile, the solution remained in the injection molding channel 13 is reduced.
Referring to fig. 2, h1=h2 at the same time, so that when one end of the plugging rod 21 moves to the pouring gate 15, one end of the positioning seat 22 near the pouring gate 15 is pressed against one end of the receiving groove 16 near the pouring gate 15 to perform positioning; after the plugging rod 21 and the positioning seat 22 move back away from the pouring gate 15, one end of the positioning seat 22 away from the pouring gate 15 is propped against the holding groove 16 to be positioned on one end away from the pouring gate 15 and cannot move continuously, and then the plugging rod 21 moves upwards away from the injection molding channel 13 under the restriction of the holding groove 16, so that the accuracy of the position of the plugging rod 21 during movement is further improved, the stability of the plugging device 2 during operation is improved, and the quality of a workpiece is further improved.
Referring to fig. 2 and 3, a driving mechanism 23 is disposed on the main mold body 1 and is used for driving the plugging rod 21 to move on the accommodating groove 16 and the injection molding channel 13, and the driving mechanism 23 is located above the plugging rod 21 and the positioning seat 22 on the side of the plugging rod 21 away from the injection molding channel 13; the driving mechanism 23 comprises a sliding rod 24 and a driving assembly 25, the sliding rod 24 slides and penetrates through the outer side wall of one side of the main die body 1 far away from the injection molding cavity 12 along the length direction of the injection molding channel 13 and extends into the accommodating groove 16, and a vertical positioning rod 221 is fixedly arranged on the upper surface of the positioning seat 22; the sliding rod 24 is connected with the positioning rod 221 through the connecting assembly 3, the sliding rod 24 moves towards one side close to the plugging rod 21 and the pouring opening 15, the sliding rod 24 moves to drive the positioning rod 221, the positioning seat 22 and the plugging rod 21 to move vertically and then horizontally through the connecting assembly 3, and when the sliding rod 24 moves back, the positioning rod 221, the positioning seat 22 and the plugging rod 21 move horizontally and then vertically.
Referring to fig. 2 and 3, the connection assembly 3 includes a connection rod 31 and a connection roller 32, the connection rod 31 is fixedly installed at one end of the sliding rod 24 located in the receiving groove 16, and the connection rod 31 is disposed obliquely upward at one end far away from the sliding rod 24, and simultaneously a connection hole 33 is formed in the connection rod 31 along the length direction of the connection rod 31; the positioning rod 221 vertically extends upward to the connection hole 33, and the connection roller 32 is horizontally rotatably mounted on the top end of the positioning rod 221, and the connection roller 32 is rotatably mounted on the connection hole 33 and is capable of sliding in the connection hole 33.
Referring to fig. 2 and 3, the sliding rod 24 drives the connecting rod 31 to move towards the side close to the pouring gate 15, the connecting rod 31 moves to drive the plugging rod 21 to move up and down in the accommodating groove 16 through the connecting roller 32, so that after the plugging rod 21 is completely moved into the injection molding channel 13, the plugging rod 21 moves towards the side close to the pouring gate 15 under the pushing of the connecting rod 31 until one end of the plugging rod 21 moves to the pouring gate 15 for plugging, and then the sliding rod 24 moves back to drive the plugging rod 21 to move back into the accommodating groove 16.
Referring to fig. 2 and 3, a driving assembly 25 is provided on the main mold body 1 for moving the driving sliding rod 24, the driving assembly 25 includes a driving rod 26 and a driving cylinder 27, and the driving rod 26 is fixedly installed on an upper surface of one end of the sliding rod 24 located outside the main mold body 1; the driving air cylinder 27 is fixedly arranged on the side wall of the side, far away from the injection cavity 12, of the main die body 1, a piston rod of the driving air cylinder 27 is fixedly connected with the sliding rod 24, and the driving air cylinder 27 is started to drive the driving rod 26 and the sliding rod 24 to move.
Referring to fig. 2 and 4, an auxiliary mechanism 5 is provided on the main mold body 1, the auxiliary mechanism 5 comprises an auxiliary plate 51, an auxiliary rod 52, an auxiliary spring 53 and a maintaining component 54, a vertical auxiliary groove 58 is provided on the injection molding channel 13 and opposite to one end of the containing groove 16 near the pouring gate 15, the auxiliary groove 58 and the containing groove 16 are respectively positioned on two sides of the injection molding channel 13, and two opposite side walls of the auxiliary groove 58 are tangential to the injection molding channel 13; the auxiliary plate 51 is vertically slidably mounted on the auxiliary groove 58, the auxiliary rod 52 is fixedly mounted on the lower surface of the auxiliary plate 51, the auxiliary rod 52 vertically slidably penetrates through the main die body 1 and vertically penetrates out of the lower surface of the main die body 1, and meanwhile, two auxiliary rods 52 are horizontally arranged at intervals, and the bottom ends of the two auxiliary rods are connected together through the connecting plate 521.
Referring to fig. 2 and 4, the auxiliary springs 53 are provided with two auxiliary rods 52 in one-to-one correspondence, the auxiliary springs 53 are sleeved on the auxiliary rods 52, two ends of each auxiliary spring 53 are fixedly connected with the connecting plate 521 and the main mold body 1, the auxiliary plates 51 keep a trend of approaching to the plugging rods 21 under the action of the auxiliary springs 53, the initial state of the auxiliary plates 51 is positioned in the auxiliary grooves 58, and the top ends of the auxiliary plates 51 are provided with circular arc attaching grooves; the maintaining unit 54 is disposed on the main mold body 1, and the maintaining unit 54 is electrically connected to the driving unit 25 and is used for maintaining the initial state of the auxiliary plate 51.
Referring to fig. 2 and 4, after the maintenance assembly 54 unlocks the auxiliary plate 51, the auxiliary plate 51 moves into the injection molding passage 13 under the action of the auxiliary spring 53 and presses against the blocking rod 21, and the auxiliary plate 51 partitions the injection molding passage 13 into two mutually independent spaces, and the auxiliary plate 51 is used for partitioning the solution located in the injection molding passage 13; after the auxiliary plate 51 is unlocked, the driving component 25 is started to drive the sliding rod 24 to move, the sliding rod 24 is driven to move to drive the plugging rod 21 to completely move into the injection molding channel 13, the plugging rod 21 is driven to move back to the initial state, namely completely move into the auxiliary groove 58, and meanwhile the maintaining component 54 is started to maintain and lock the initial state of the auxiliary plate 51.
Referring to fig. 2 and 4, the maintaining assembly 54 includes a maintaining block 55 and a maintaining cylinder 56, a maintaining table 19 is fixedly installed on the lower surface of the main mold body 1 and located at one side of the connecting plate 521, the maintaining block 55 is horizontally slidably installed on the lower surface of the maintaining table 19, the maintaining block 55 is along the direction approaching or separating from the connecting plate 521, meanwhile, a guiding surface 57 is provided on the lower surface of the maintaining block 55 and located at one side approaching to the connecting plate 521, and the guiding surface 57 is used for guiding when pushing the connecting plate 521 to move below the maintaining block 55, so that the auxiliary plate 51 is located in the auxiliary groove 58, thereby maintaining the initial state of the auxiliary plate 51; the maintaining cylinder 56 is fixedly installed on the lower surface of the maintaining table 19, and a piston rod of the maintaining cylinder 56 is fixedly connected with the maintaining block 55.
Referring to fig. 2 and 4, a control board for controlling the maintenance cylinder 56 and the driving assembly 25 to start and stop is fixedly installed on the main mold body 1, so that the maintenance cylinder 56 starts to drive the maintenance block 55 to be away from the connecting plate 521, the auxiliary plate 51 approaches and presses against the plugging rod 21 under the action of the auxiliary spring 53, then the driving assembly 25 starts to drive the plugging rod 21 to move, the plugging rod 21 moves to push the auxiliary plate 51 to move together, so that the plugging rod 21 moves to the injection molding channel 13 to be plugged, at the moment, the auxiliary plate 51 moves back to the initial state, and at the same time, the maintenance cylinder 56 starts to drive the maintenance block 55 to move back to be supported on the lower surface of the connecting plate 521 to be positioned, and then the plugging rod 21 continues to move, so that the pressure caused by the auxiliary plate 51 to the plugging rod 21 is reduced, and the friction force between the plugging rod 21 and the auxiliary plate 51 when moving in the injection molding channel 13 is reduced.
Referring to fig. 2 and 3, a blocking groove is formed in the end, away from the pouring gate 15, of the receiving groove 16, and is located at the side, close to the injection channel 13, of the blocking groove, and a blocking assembly 6 for blocking solution from entering the receiving groove 16 is arranged on the blocking groove, located at the end, away from the pouring gate 15, of the blocking rod 21 and the positioning seat 22.
Referring to fig. 2 and 3, the blocking assembly 6 includes a blocking block 61 and a connecting block 62, the blocking block 61 is slidably mounted on the blocking groove along the length direction of the injection molding channel 13, two side walls adjacent to the blocking block 61 and the injection molding channel 13 are respectively flush with two opposite side walls of the containing groove 16, a connecting groove 63 is formed in a side wall of one side, facing away from the injection molding channel 13, of the blocking block 61, the connecting groove 63 is communicated with the side wall of one side, close to the positioning seat 22 and the blocking rod 21, of the blocking block 61, the cross section of the connecting groove 63 is trapezoid, and one ends, far away from the pouring opening 15, of the blocking rod 21 and the positioning seat 22 are abutted against the blocking block 61; the blocking block 61 is fixedly arranged on the side wall of the positioning seat 22, which is abutted against the blocking block 61, and when the positioning seat 22 and the blocking rod 21 move on the containing groove 16, the positioning seat 22 drives the connecting block 62 to move on the connecting groove 63, and when the blocking rod 21 moves along the direction of the injection molding channel 13, the positioning seat 22 moves to drive the connecting block 62 and the blocking block 61 to move, so that the blocking block 61 is used for blocking a gap generated between the positioning seat 22, the blocking rod 21 and one end of the containing groove 16, which is far away from the pouring gate 15, so that a solution in the injection blocking channel 13 is blocked from entering the containing groove 16.
Referring to fig. 1 and 2, an installation groove 18 is coaxially formed on one end of the injection channel 13 far away from the pouring gate 15, namely, one end connected with the nozzle 14, and a heat insulation component 7 for insulating the solution is arranged on the main die body 1 and located at the installation groove 18.
Referring to fig. 2 and 5, the heat insulation assembly 7 comprises a heat insulation sleeve 71, a heating ring 72 and a temperature detector 73, wherein the heat insulation sleeve 71 is coaxially inserted and installed on the installation groove 18, the heat insulation sleeve 71 is abutted with the bottom of the installation groove 18, one end of the heat insulation sleeve 71 is positioned outside the installation groove 18, an abutting ring 74 is coaxially and fixedly installed on the outer side wall, the abutting ring 74 is abutted on the outer side wall of the main die body 1 for positioning, and an abutting screw which penetrates through the abutting ring 74 and is in threaded connection with the main die body 1 is arranged on the abutting ring 74; the outer side wall of the insulating sleeve 71 is provided with an insulating layer for heat insulation, thereby realizing the heat insulation effect.
Referring to fig. 1, 2 and 5, one end of the insulation sleeve 71 positioned outside the mounting groove 18 is fixedly connected with the nozzle 14, meanwhile, the inner diameter of the insulation sleeve 71 is the same as that of the injection molding channel 13, and an insulation groove 75 is coaxially arranged on the inner side wall of the insulation sleeve 71; the heating ring 72 is coaxially and fixedly arranged on the heat preservation groove 75, the temperature detector 73 is fixedly arranged on the heat preservation groove 75, meanwhile, a control strip for controlling the starting and stopping of the heating ring 72 is fixedly arranged on the heat preservation sleeve 71 and is electrically connected with the temperature detector 73, so that the temperature detector 73 detects the temperature of the solution in the heat preservation sleeve 71, the heating ring 72 heats the solution, the temperature detector 73 detects the temperature of the solution, and meanwhile, the heating ring 72 generates heat to heat and preserve the temperature of the solution flowing back to the nozzle 14, so that the solution is at a proper temperature, and the production quality of workpieces is improved.
The working principle of the embodiment of the application is as follows:
the auxiliary die body 11 is close to the main die body 1 and is clamped, the melted solution enters the injection cavity 12 after passing through the nozzle 14 and the injection channel 13, after the solution is added, the auxiliary plate 51 is unlocked by starting the maintaining cylinder 56, the auxiliary plate 51 is close to and is pressed against one end of the plugging rod 21 close to the pouring port 15 under the action of the auxiliary spring 53, so that the solution in the injection channel 13 is divided into two parts, then the driving cylinder 27 is started to drive the plugging rod 21 to move downwards to be close to the injection channel 13, the plugging rod 21 is moved to push the auxiliary plate 51 to move backwards, and meanwhile, the plugging rod 21 pushes the solution on one side of the auxiliary plate 51 close to the nozzle 14 to flow back to the nozzle 14 and stay in the heat preservation sleeve 71 until the plugging rod 21 is completely moved into the injection channel 13 to realize the plugging of the injection channel 13, and the auxiliary plate 51 is moved back to the initial state, and simultaneously, the maintaining cylinder 56 is started to drive the maintaining block 55 to move back to maintain the initial state of the auxiliary plate 51; the blocking rod 21 is then moved along the length of the injection channel 13 until one end of the blocking rod 21 is moved to the gate 15 to block the gate 15.
The solution is cooled, plasticized and molded in the injection molding cavity 12, and meanwhile, the temperature detector 73 and the heating ring 72 are matched to heat and preserve heat of the solution in the heat preservation sleeve 71 and the nozzle 14 and close to one side of the heat preservation sleeve 71, so that the temperature of the subsequent injection molding solution is in a proper state, and the quality of a workpiece is improved; and then demolding and removing the workpiece, cleaning the injection molding cavity 12 on the main mold body 1 and the auxiliary mold body 11, then closing the mold, finally starting the driving cylinder 27 to drive the plugging rod 21 to move back into the accommodating groove 16 for accommodating, and then continuously and repeatedly injecting the workpiece, thereby improving the production efficiency and quality of the workpiece and reducing the production cost of the workpiece.
Example 2
Referring to fig. 6, the present embodiment is different from embodiment 1 in that the connection assembly 3 includes a first rotating lever 41, a second rotating lever 42 and a connection square lever 43, the first rotating lever 41 is fixedly installed on the top end of the positioning lever 221 and below the sliding lever 24, the second rotating lever 42 is fixedly installed on one end of the sliding lever 24 near the positioning lever 221, and the axes of the first rotating lever 41 and the second rotating lever 42 are parallel to each other and in a horizontal state; the connection square bar 43 is rotatably mounted on the first rotating bar 41 and the second rotating bar 42 at both ends thereof, respectively.
The working principle of the embodiment of the application is as follows:
when the sliding rod 24 moves close to the plugging rod 21, the sliding rod 24 pushes the plugging rod 21 and the positioning seat 22 to move downwards through the connecting square rod 43, and when the sliding rod 24 moves back, the sliding rod 24 pulls the plugging rod 21 and the positioning seat 22 to move upwards, so that the sliding rod 24 moves to drive the plugging rod 21 and the positioning seat 22 to move up and down, and the structure is simple.
The embodiment of the application discloses a preparation process of an outer bottle.
Referring to fig. 1 and 2, the outer bottle preparation process comprises the following steps:
A. heating and melting, namely heating and melting a material by using a heating injection molding machine to form a solution, spraying the solution into an injection molding channel 13 through a nozzle 14, and finally flowing the solution into an injection molding cavity through the injection molding channel 13, wherein the material can be PETG material;
B. injection molding, namely starting the plugging device 2, plugging the pouring opening 15 by the plugging rod 21, and waiting for cooling molding;
C. demolding and mold closing, demolding and taking out the workpiece, then mold closing, finally starting the plugging device 2, enabling the plugging rod 21 to be far away from the sprue gate 15, opening the sprue gate 15, and repeating B, C to continue injection molding.
The working principle of the embodiment of the application is as follows:
the material is added into an injection molding machine to be heated and melted to form a solution, the solution is added into an injection molding cavity, then a plugging rod 21 plugs a pouring opening 15, cooling molding is waited, then a mold is removed after a workpiece is removed, then the mold is closed, the plugging rod 21 is far away to open the pouring opening, and then the injection molding is continuously repeated, so that the probability of reprocessing after the material is coagulated in an injection molding channel 13 is reduced, and the production efficiency and quality of the workpiece are improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The utility model provides a mould is used in outer bottle preparation of bilayer cosmetic bottle which characterized in that: including main die body (1) and slide with main die body (1) and cooperate auxiliary die body (11) that forms cavity (12) of moulding plastics, be provided with on main die body (1) with cavity (12) intercommunication and be used for letting in injection molding passageway (13) with the solution, be provided with on main die body (1) to injection molding passageway (13) shutoff plugging device (2), injection molding passageway (13) length direction is followed on the lateral wall of passageway (13) and is seted up holding tank (16), just injection molding passageway (13) and cavity (12) junction of moulding plastics are sprue gate (15), plugging device (2) include:
the plugging rod (21) is arranged on the accommodating groove (16) in a sliding manner along the direction approaching or separating from the injection molding channel (13) and is positioned in the accommodating groove (16) in an initial state, the plugging rod (21) completely moves into the injection molding channel (13) to plug the injection molding channel (13), and the plugging rod (21) continuously approaches to the pouring gate (15) along the length direction of the injection molding channel (13) under the limit of the injection molding channel (13), so that the plugging rod (21) extends to the pouring gate (15) and is used for plugging the pouring gate (15);
the positioning seat (22) is arranged on the side wall of one side, far away from the injection molding channel (13), of the plugging rod (21) and is always installed on the accommodating groove (16) in a sliding mode, one end, far away from the pouring opening (15), of the positioning seat (22) and the plugging rod (21) is flush, the other end of the positioning seat is located on one side, far away from the pouring opening (15), of the plugging rod (21), and when the plugging rod (21) stretches to the pouring opening (15), one end, close to the pouring opening (15), of the positioning seat (22) is abutted against the accommodating groove (16) to be positioned;
and the driving mechanism (23) is arranged on the main die body (1) and is used for driving the plugging rod (21) to move on the accommodating groove (16) and the injection molding channel (13).
2. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 1, wherein: the drive mechanism (23) includes:
the sliding rod (24) is arranged on the main die body (1) in a sliding manner along the length direction of the injection molding channel (13), and the sliding rod (24) is connected with the plugging rod (21) through the connecting component (3) and is used for driving the plugging rod (21) to move on the accommodating groove (16) and the injection molding channel (13);
and the driving assembly (25) is arranged on the main die body (1) and is used for driving the sliding rod (24) to move.
3. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 2, wherein: the connection assembly (3) comprises:
the connecting rod (31) is arranged on the sliding rod (24) and provided with an inclined and strip-shaped connecting hole (33);
the connecting roller (32), the connecting roller (32) rotates and sets up on shutoff pole (21) and roll on connecting hole (33), connecting rod (31) remove and drive shutoff pole (21) through connecting roller (32) and remove on holding tank (16) and injection molding passageway (13).
4. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 2, wherein: the connection assembly (3) comprises:
a first rotating rod (41) and a second rotating rod (42), wherein the first rotating rod (41) and the second rotating rod (42) are respectively arranged on the plugging rod (21) and the sliding rod (24);
and the two ends of the connecting square rod (43) are respectively rotatably arranged on the first rotating rod (41) and the second rotating rod (42).
5. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 2, wherein: the drive assembly (25) comprises:
a drive rod (26), the drive rod (26) being arranged on the slide rod (24);
and the driving cylinder (27) is arranged on the main die body (1) and is connected with the driving rod (26).
6. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 2, wherein: an auxiliary mechanism (5) is arranged on the main die body (1), and the auxiliary mechanism (5) comprises:
the auxiliary plate (51) is arranged on the main die body (1) in a sliding manner and is positioned at one end of the plugging rod (21) close to the pouring gate (15), the sliding direction of the auxiliary plate (51) is parallel to the sliding direction of the plugging rod (21) on the accommodating groove (16), and the plugging rod (21) and the auxiliary plate (51) are respectively positioned at two sides of the injection molding channel (13) in the initial state;
an auxiliary rod (52), wherein the auxiliary rod (52) is arranged on the auxiliary plate (51) and extends out of the main die body (1);
an auxiliary spring (53), wherein the auxiliary spring (53) is arranged on the main die body (1) and is connected with the auxiliary rod (52) so that the auxiliary plate (51) keeps close to the trend of the plugging rod (21), and after the solution in the injection cavity (12) is added, the auxiliary plate (51) is pressed against the plugging rod (21) under the action of the auxiliary spring (53) and is used for separating the solution in the injection channel (13);
the maintaining component (54) is arranged on the main die body (1) and is connected with the driving component (25) and used for maintaining the initial state of the auxiliary plate (51), after the maintaining component (54) is unlocked, the driving component (25) is started to drive the plugging rod (21) to move, and when the plugging rod (21) is completely moved into the injection molding channel (13), the maintaining component (54) is started to lock the auxiliary plate (51).
7. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 6, wherein: the maintenance assembly (54) includes:
a maintaining block (55), wherein the maintaining block (55) is glidingly arranged on the main die body (1) and is used for pressing the auxiliary rod (52) to maintain the initial state of the auxiliary plate (51);
and a maintaining cylinder (56), wherein the maintaining cylinder (56) is arranged on the main die body (1), and a piston rod is connected with the maintaining block (55) and is electrically connected with the driving assembly (25).
8. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 1, wherein: a blocking component (6) for blocking the solution from entering is arranged on one end of the containing groove (16) away from the pouring gate (15), and the blocking component (6) comprises:
the blocking block (61) is slidably arranged on the side wall of the accommodating groove (16) at one side far away from the pouring gate (15) along the length direction of the injection molding channel (13);
the connecting block (62), the connecting block (62) is arranged on the side wall of one side, far away from the pouring gate (15), of the positioning seat (22) and is arranged on the blocking block (61) in a sliding manner, and the positioning seat (22) drives the blocking block (61) to move together and is used for blocking solution from entering the accommodating groove (16) when sliding along the length direction of the injection molding channel (13).
9. The mold for preparing an outer bottle of a double-layered cosmetic bottle as set forth in claim 1, wherein: set up on the main mould body (1) and carry out heat preservation subassembly (7) to solution, heat preservation subassembly (7) include:
the heat preservation sleeve (71) is detachably arranged on the main die body (1) and is positioned at one end of the injection molding channel (13) far away from the pouring gate (15) and the plugging rod (21), and the heat preservation sleeve (71) is used for allowing a solution flow sprayed by the spray nozzle (14) to enter the injection molding channel (13) after passing through and is used for heat insulation;
a heating ring (72), the heating ring (72) being arranged in the heat-insulating sleeve (71) and being used for heating the solution in the heat-insulating sleeve (71);
and a temperature detector (73), wherein the temperature detector (73) is arranged in the heat preservation sleeve (71) and is used for detecting the temperature of the solution and is electrically connected with the heating ring (72).
10. A process for preparing an outer bottle for use in a mould according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
A. heating and melting, spraying the material into an injection molding channel (13) through a nozzle (14) after heating and melting, and then flowing the solution into an injection molding cavity (12) through the injection molding channel (13);
B. injection molding, wherein the plugging device (2) is started to plug the pouring opening (15), and then cooling molding is performed;
C. demolding and mold closing, wherein the workpiece is taken out after demolding, then mold closing is performed, finally the plugging device (2) is started to open the pouring gate (15), and then injection molding is continued by repeating B, C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806647.2A CN116512535B (en) | 2023-07-04 | 2023-07-04 | Mold for preparing outer bottle of double-layer cosmetic bottle and outer bottle preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806647.2A CN116512535B (en) | 2023-07-04 | 2023-07-04 | Mold for preparing outer bottle of double-layer cosmetic bottle and outer bottle preparation process |
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| CN116512535A true CN116512535A (en) | 2023-08-01 |
| CN116512535B CN116512535B (en) | 2023-09-12 |
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| CN214926719U (en) * | 2020-12-24 | 2021-11-30 | 昆山龙铎塑胶科技有限公司 | Cosmetic bottle body injection mold |
| CN115635654A (en) * | 2022-10-26 | 2023-01-24 | 宁波誉立精密模具有限公司 | Double-color injection mold |
| CN115972505A (en) * | 2022-12-14 | 2023-04-18 | 苏州屹日模塑科技有限公司 | Be provided with mouth of a river shearing structure's injection mold for working of plastics processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050208175A1 (en) * | 2003-12-05 | 2005-09-22 | Tooman Patrick A | Machined manifold and method of making same |
| US20100155995A1 (en) * | 2008-12-23 | 2010-06-24 | Panos Trakas | Sprue bar shutoff device |
| JP2013188911A (en) * | 2012-03-13 | 2013-09-26 | Workcam:Kk | Method and device for manufacturing hollow container |
| CN108274697A (en) * | 2017-12-28 | 2018-07-13 | 太仓朗盛金属制品有限公司 | A kind of mold and its working method preventing runner blocking |
| CN211279543U (en) * | 2019-11-25 | 2020-08-18 | 达利塑胶制品(深圳)有限公司 | Sprue-free waste injection mold |
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|---|---|
| CN116512535B (en) | 2023-09-12 |
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